Site D, Cootra, SA SA trials

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Long Coleoptile Wheat on Eyre Peninsula

Improving the reliability of early
establishment  plays  an role in increasing water and yield potential cropping  environ­ 
Establishing plants earlier extends the growing
a crop, and when with optimal phenology, more time for a plant to
develop resources that ultimately contribute to grain fill and yield.

Seeding deeper, into soil moisture present below the 'normal seeding bed' may help to establish 
plants earlier without relying onan autumn break for germination. Currently, wheat growers are 
restricted to a seeding depth of 3-5 cm because modern wheat varieties have a shortened  coleoptile 
associated with dwarfing genes that were introduced  in  the  1960's  to increase yields. The 
length of a coleoptile restricts seeding depth because it is a hollow shoot that protects the first 
leaves as they grow  towards  the soil  surface during  germination.  Breeders have now identified 
an alternate dwarfing gene 'Rht18' that allows a coleoptile up to 12 cm long, whilst maintaining  
the reduced height associated  with modern high yielding wheat varieties.

The trials reported here assessed the performance of long coleoptile wheats  in an Eyre Peninsula 
farming system.
 

Agricultural Innovation & Research Eyre Peninsula
2021 Site D, Cootra, SA SA
Research organisaton
Resilient EP: A new paradigm for resilient and profitable dryland farming on the Eyre Peninsula using data to improve on-farm decision making

The project aims to unlock value in existing data to drive innovation in agronomy and livestock management by bringing together data from a range of sources including satellite, soil moisture probe networks, weather stations, proximal sensing and yield models. By working with farmers and advisors to link data with decision making, the project aims to make more informed and significantly improved land management decisions. 

Agricultural Innovation & Research Eyre Peninsula
2020 Site D, Cootra, SA SA
Research organisaton